boyfriend, fellow, beau, swain, young_man
Meaning: a man who is the lover of a girl or young woman; "if I'd known he was her boyfriend I wouldn't have asked"
"Wait!" Swain called after him, with unexpected vigour.
The forest swayed like an ardent swain deep lost in thought.
"Still," I pointed out, "that may have nothing to do with Swain."
"It's Lester," I said, and Godfrey flashed his torch into my face, then back to Swain's.
Soon after leaving the church a rustic swain hailed me and asked for a match. The pipe and the Virginia weed--they mean amity the world over.
She affects a coyness and lack of interest, by hitching herself sideways along the bottom of the aquarium, with her head turned over her right shoulder away from the swain.
Tell us I intreat you what is become of him?" "Yes, cold and insensible Nymph, (replied I) that luckless swain your Brother, is no more, and you may now glory in being the Heiress of Sir Edward's fortune."