'Joined' in the Bible

And thy brethren also, the tribe of Levi, the tribe of thy father, bring thou near with thee, that they may be joined unto thee, and minister unto thee: but thou and thy sons with thee shall be before the tent of the testimony.

And they shall be joined unto thee, and keep the charge of the tent of meeting, for all the service of the Tent: and a stranger shall not come nigh unto you.

And Israel joined himself unto Baal-peor: and the anger of Jehovah was kindled against Israel.

And Moses said unto the judges of Israel, Slay ye every one his men that have joined themselves unto Baal-peor.