Help Gmail sync contacts to another person's phone

[DROYDS41]

I recently lend a co-worker my gmail account top put in his Evo phone so he can open up Market on his phone. Mistake ! Now all my contacts are sync and on his phone. I was told by Sprint he needed to go to Settings and did some stuff to reset his phone which will erase all his data. I just asked my friend if all his pictures are erased he said they were saved.....? Does that mean he did not remove my contacts from his phone?? (Since Evo does not have a sim card).
Please help !!

 

[sremick]

It takes only a minute to set up a Gmail account and it's free. Why didn't your friend just make his own?

That's really the solution here. He's going to need to reset his phone and start over, since you can't delete the primary Google account off the phone.