But Joorabchian accepts the pair will have to put their differences to one side and work together for the rest of the season if Tevez's hopes of a January transfer are scuppered.
Tevez has been in his native Argentina without the club's permission since November having not played for them since September.
The 27-year-old is hoping to secure a move before the closure of the current transfer window next Tuesday.
Tevez first agitated for a move in December 2010 but at the time stressed that he had no personal issues with Mancini, who took charge 12 months previously.
That position, however, appears to have worsened significantly since.
Joorabchian told talkSPORT: "The relationship with Mancini, ever since Mancini came into the football club, has not been good.
"You think about last Christmas when Carlos wanted to leave and it was all to do with feuds with the manager, and I think that just carried on and on.
"There was a point when Carlos did say, 'I can't get on here'.
"And he is not the only one. You have to reflect back.
"(Craig) Bellamy had to leave Manchester City in an awkward way, (Emmanuel) Adebayor has had to leave Manchester City in an awkward way, Shay Given has had to leave Manchester City in a semi-awkward way, Wayne Bridge has been isolated and is not even training with the first team.
"He is not alone, Carlos."
Mancini recently said it would be "impossible" for Tevez to return to his side.
Yet Joorabchian has indicated that the player accepts he will have to return to City if he fails to secure a move in the next four days.
Joorabchian said: "City have made a position where they would like to move the player on, but at a certain price.
"We've been in negotiations with three big clubs.
"I don't think anyone has reached the numbers City were hoping for.
"Carlos has always said this is not about money for him.
"At the moment, it looks like Carlos will remain at City until this summer."
Joorabchian added: "Carlos does understand he has a contract and he has been walkabout, but Carlos has come to terms with the fact he has got to come back and live with Mancini."
AC Milan, Inter Milan and Paris Saint-Germain are the three clubs to have been heavily linked with Tevez this month.
Inter and PSG appear to have withdrawn their interest, leaving Milan as the most likely suitors, but they have so far failed to make an offer acceptable to City.
City chairman Khaldoon al-Mubarak said earlier this week that the club would not sell below their valuation, believed to be around £25million.
Joorabchian said: "The only one that was left was AC Milan and unfortunately they can't reach an agreement with Manchester City at the moment."
But Joorabchian has not ruled out a future move to PSG.
He said: "They have a project they want to build long term, the Qataris are investing certain capital in the PSG brand.
"I think Carlos is maybe six months to a year too early for them.
"They are not yet fighting for the Champions League.
"Their aim is to win the championship and I think maybe in the summer there is a big chance Carlos could go to PSG."
The relationship between Mancini and Tevez reached its nadir with the infamous episode during the Champions League loss at Bayern Munich in September when the player did not warm up as requested.
Mancini said Tevez was "finished" at City as a result.
Tevez was suspended and later fined for misconduct by City.
He flew back to Argentina on November 7 and has remained there since.
Recalling that night in Munich, Joorabchian said: "The explosion of that day, the manager's comments of that day, was so bad it created an almost unsustainable...
"Carlos served two weeks' suspension, then he was training on his own, then he was training with the reserves.
"I guess at some point you have to say, 'He has served his training on his own, served in the reserves, now I have to integrate him back'.
"But there was never any thought of that, which is probably why he left to Argentina, he could just not see any light of being reintegrated into the first team."
Milan vice-president Adriano Galliani had said his club would make a decision on Friday on whether to pursue their interest in Tevez.
But Joorabchian said: "The last three or four days of the transfer window, historically, have always brought twists and turns.
"I can't see into the future but I think there will be a lot of twists and turns for every player that is in contention to move."
