miłośnik czegoś in inglese:

I have been a lover of sports since I was young.

I can think of him as a very good friend, but I can't think of him as a lover.

He is your lover.

also: e.g. flower lover, animal lover

Yuriko thoroughly enjoyed her occasional secret meetings with her lover.

My lover doesn't love me.

I love cats so much, I can't help it, I'm a crazy cat lover.

My lover works at a language school and loves it very much.

I am a lover of the beautiful.

Lover, come back to me.

Are they lovers or just friends?

She waited for her lover at the station.

I am a lover of liberty. I will not and I cannot serve a party.

They are lover, an art lover