Christopretensism

Christopretensism (noun)
Definition: The act of invoking Christian language, symbols, or identity for the sake of appearance, influence, or cultural signaling rather than genuine belief or practice.

Etymology: From Christo- (“Christian”) + pretensism (“pretending, performative display”).

Example sentence:
The candidate’s sudden church-hopping every election cycle struck many as simple Christopretensism.