Assuming that plumbs is the underlined word, ignores would be the antonym
Answer:
Richard is a licensed agent
Explanation:
license means
grant a license to (someone or something) to permit the use of something or to allow an activity to take place.
authorize the use, performance, or release of (something).
give permission to (someone) to do something
I think it means sects like calvinism lutherism and salvationism