a person who is very interested in something

ardent supporter; fan

a person with a strong interest (in sports, games etc)

person active in interest

a man to whom a woman is engaged to be married

beloved

supporter; admirer

person who believes or has great interest

a person who is having a (sexual) relationship with another person

person having sexual relationship

a person bringing a lawsuit; a man courting a woman

person who desires another

beau

beau

(a letter, card etc sent on St Valentine's day, 14 February to) a sweetheart

person who is loved by another

woo

person having sexual relationship