All confirmed Catholics should feel a DUTY to correct both lay and religious.

This duty comes with grave responsibility and must be done very well. 

One must seek formation and constant formation.  One must give study to what Our Lord teaches us through Scripture and through Church teaching.

One must really really know their stuff well.
One must pray, be close to the Sacraments (in order to be more closely disposed to God's will).  One must attempt to correct in the most charitable way, but correct one must do. 

One must work on their virtues..prudence, justice, temperance, fortitude, to ensure the correction is done as perfectly as humanly possible.  Privately initially.

Jesus told us to do this.  See Luke 17.   Some versions use the words:  [after no success with lesser measures...]: "Rebuke him".

It's not an option, but it must be shouldered responsibly.  But done nevertheless.