Pretending Not To Be Pretending

From your perspective:

Stranger walks in lift.
No eye contact or words.
Just presses a button.

From stranger’s perspective:

Stranger in lift.
No eye contact or words.
Just press that button.

Bad faith is:

Knowing someone, something or some issue exists,
but pretends not to know, while pretending not to be pretending.
Who has bad faith towards who?