Yes, VOTARIES is a Scrabble word!

Letter values in Scrabble US: V 4, O 1, T 1, A 1, R 1, I 1, E 1, S 1.

Is it a valid word?

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

one bound by vows to a religion or life of worship or service
a priest or priestess (or consecrated worshipper) in a non-Christian religion or cult
a devoted (almost religiously so) adherent of a cause or person or activity