Muscle builder and Somebody

Muscle builder noun - Someone who does special exercises to develop a brawny musculature.

Somebody and muscle builder are semantically related. In some cases you can use "Somebody" instead a noun phrase "Muscle builder".

Somebody noun - A person who is widely known and usually much talked about.

Muscle builder and somebody are semantically related. Sometimes you can replace phrase "Muscle builder" with "Somebody", this terms are similar.