Yes, HECTOR is a Scrabble word!

Letter values in Scrabble US: H 4, E 1, C 3, T 1, O 1, R 1.

Is it a valid word?

HECTOR is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

(Greek mythology) a mythical Trojan who was killed by Achilles during the Trojan War

Also: strong-arm, boss around, push around.