Then came there unto him a company of Assideans who were mighty men of Israel, even all such as were voluntarily devoted unto the law.
WEB
Then a company of the Hasidaeans, mighty men of Israel, everyone who offered himself willingly for the law, were gathered together to them.That is, Chasidim.
DRC
Then was assembled to them the congregation of the Assideans, the stoutest of Israel, every one that had a good will for the law.
LXXE
Then came there unto him a company of Assideans, who were mighty men of Israel, even all such as were voluntarily devoted unto the law.