follower

1. (literally) One who follows, comes after another.literally

2. (social media) An account holder who subscribes to see content from another account on a social media platform.Examples: "I have over 50 followers on Twitter, but all my tweets only get 10 likes."; "Talking bout these other rappers getting old is even getting old / Worrying about your followers, you need to get your dollars up"

3. (Australian rules football) Any of the three players (the ruckman, ruck rover, and rover) who usually follow the ball around the ground rather than occupying a fixed position.

4. (colloquial, dated) A debt collector.colloquialdated

5. (locksmithing) A tool used to remove the core from a pin-tumbler lock without causing the driver pins and springs to fall out.