This master does not need to be a student of another.

[Don't insult him!]

Is sect leader Jin trying to say that a master of an unfamiliar sect is no better than a potential disciple candidate?

This master understands that sect leader Jin is still quite young, and will not take offense from such an accident. This master has many such youths in his care and knows when to be forgiving.

[Make fun of him all you want but don't try and subtly trash talk Cang Qiong Mountain!]