Suitor (noun)

1. A man who seeks the hand of a woman in marriage.
2. A person who seeks the favor or attention of another.

Origin:

From old french suitor, from latin sequitor, from sequi ("to follow").

Examples:

1. She had many suitors, but none of them were quite right.
2. He was her only suitor, but she didn't love him.
3. He was a suitor for the hand of the princess.
4. The company was a suitor for the contract.
5. The suitor was persistent in his attempts to win her over.