posing

Pretending to be someone or something you are not, often to deceive.

"He was caught posing as a doctor."

Presenting or constituting a particular problem, question, or threat.

"The situation is posing a real challenge."

Adopting a specific bodily position for a photograph or artistic purpose.

"She was posing for the camera."

The act of adopting a particular posture, often for display or vanity.

"Her constant posing became tiresome."