Chooser (noun)

A person or thing that chooses or selects from a number of options.

Origin:

From the verb "choose", which means to select from a number of options.

Examples:

1. She was the chooser for the team and selected the best players.
2. The chooser selected the best candidate for the job.
3. The chooser was careful to consider all options before making a decision.
4. The computer program was designed to act as a chooser and pick the best option.
5. Chooser is a useful tool when you need to pick one option out of many.