"To supervise the broker" means to oversee or closely monitor the activities and behavior of a broker to ensure they are following rules, regulations, and ethical standards while performing their job. Full definition
(a) The salesperson may not practice real estate until the salesperson's license is transferred to a different supervising broker. (mtrules.org)
Supervising brokers sometimes get tripped up when they let employees» licenses or education lapse. (realtormag.realtor.org)
Separate Licenses for Associate Brokers and Supervising Brokers In an effort to strengthen broker supervision, a Supervising Broker licensing category should be created. (nvar.com)