'Served' in the Bible

You should not consider it difficult to let him go free, for he will have served you for six years, twice the time of a hired worker; the Lord your God will bless you in everything you do.

"Because you have not served the Lord your God joyfully and wholeheartedly with the abundance of everything you have,

They went and served other gods and worshiped them, gods they did not know and that he did not permit them to worship.