1 : to relate to a person or thing The laws pertain to hunting. 2 : to belong to as a part, quality, or function These duties pertain to the office of sheriff.

What you mean by pertaining?

to have reference or relation; relate: documents pertaining to the lawsuit. to belong or be connected as a part, adjunct, possession, or attribute.

What does pertaining to someone mean?

To relate to, be relevant to, or have a connection with someone or something.