History has shown that at any given time the names for a particular place, group, or thing could have changed because the Jews were so nomadic, and their language changed or varied depending on their location and who ruled over them at the time.
Example, in Moses time, the governing body, or were, The Levites, who were set aside by Jehovah as special instructors in the Law, served prominently also as judges.—
Deuteronomy 1:15
Later, The Sanhedrin , which was the Jewish high court, located in Jerusalem with it's
seventy-one members constituted this high court. (Jewish Governing Body)
Redemption - Ransom - Which means: a price paid to buy back or to bring about release from some obligation or undesirable circumstance.
The Hebrew noun koʹpher comes from the verb ka·pharʹ, meaning, basically, “cover.”
However the word reconcile means to bring back into harmony or cause to be friendly again; also to adjust or settle, as in reconciling differences. In Greek, the words related to reconciliation are derived from the verb al·lasʹso, which, basically, means “change, alter.
In Paul’s letter to the Romans and in several other letters, he uses ka·tal·lasʹso and a·po·ka·tal·lasʹso (an intensified form) in dealing with man’s being reconciled to God by means of the sacrifice of Christ Jesus.
Romans 5:10 "For if when we were enemies we became reconciled to God through the death of his Son, how much more we will be saved by his life, now that we have become reconciled."
I hope this information was helpful.