Matching, be appropriate, be right, be suitable.
Those pants are not right for me.
pa-, (ma-), mag- (recip.)
For s.t. to be suitable, appropriate, right.
It looks good on me to wear a blue blouse (lit. is suitable for me).
That blouse is right for you.
She and her husband are right for each other.
I’m not suitable even to be his servant.