The Jews: had an Ecclesiastical Establishment
Source: TTT
Exodus 28:1
“Next, have your brother Aaron brought to you from among the Israelites, along with his sons Nadab, Abihu, Eleazar, and Ithamar, to serve Me as priests.
Numbers 18:6
Behold, I Myself have selected your fellow Levites from the Israelites as a gift to you, dedicated to the LORD to perform the service for the Tent of Meeting.
Malachi 2:4–7
Then you will know that I have sent you this commandment so that My covenant with Levi may continue,” says the LORD of Hosts. / “My covenant with him was one of life and peace, which I gave to him; it called for reverence, and he revered Me and stood in awe of My name. / True instruction was in his mouth, and nothing false was found on his lips. He walked with Me in peace and uprightness, and he turned many from iniquity.