suitor

Short definition from Wiktionary

Noun

1. 1
   One who pursues someone, especially a woman, for a romantic relationship or marriage; a wooer; one who falls in love with or courts someone.
2. 2
   A person or organization that expresses an interest in working with, or taking over, another.
3. 3
   A party to a suit or litigation.
4. 4
   One who sues, petitions, solicits, or entreats; a petitioner.

Verb

1. 1
   To play the suitor; to woo; to make love.