That lady is getting out of hand. What should I do?
A wife person is a lady, because I guess ladies are wife people? I'm guessing this is pretty sexist somewhere, somehow, but words were made a long time ago so hopefully you can give all those dead people a break.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.