Setter (noun)

1. A person or device that sets or sets something, especially in a specified position or state.
2. A person who sets type or a machine used for setting type.
3. A breed of hunting dog used in retrieving game.
4. A person who establishes a record, score, or standard in a particular activity or sport.
5. A person who provides a solution or answer to a problem.

Origin:

Mid 17th century: from set + -er1.

Examples:

1. The setter adjusted the thermostat to maintain the desired temperature in the room.
2. The setter placed each letter in the form and made sure it was properly aligned.
3. The setter trained and worked with his dog to improve their performance in the field.
4. The setter broke the previous record and set a new standard in the competition.
5. The setter solved the puzzle by finding the correct combination of numbers.