You're such a man who don't/doesn't.请问那里应该使用don't还是doesn't?

You're such a man who don't/doesn't.请问那里应该使用don't还是doesn't?
You're such a man who don't/doesn't.
请问那里应该使用don't还是doesn't?

You're such a man who don't/doesn't.请问那里应该使用don't还是doesn't?
doesn't
从句中主语为a man 为三单

doesn't

doesn't，此句为定语从句，a man作为第三人称单数，所以后面应该用doesn't