point out *one's errors / correct / advise *one of improvements

correction / correct / rectification / rectify / rectifying

have an intermission / be at a recess / have a recess / have an interval

have an intermission / be at a recess / have a recess / have an interval

have a break / have a rest / rest for a while

have a break / have a rest / rest for a while

serve as go-between / intermediation / serve as intermediary / be a bridge of / act as intermediary for / <<usu. for personal relationships>> matchmaking / mediate between / through the good offices / <<usu. for business relationships>> agency / act as go-between / mediation

act as intermediary for / mediate between

act as intermediary for / mediate between

serve as intermediary / agency / act as intermediary for / mediate between / act as go-between / serve as go-between / intermediation / bridge / mediation