The term "double crosser" refers to someone who deceives or betrays others. Antonyms of "double crosser" include "loyalist," "trustworthy," "reliable," "faithful," and "consistent." A loyalist is someone who remains faithful to a person, group, or cause. A trustworthy person is one who can be relied on to keep their promises and maintain confidentiality. A reliable person is someone who performs consistently and can be counted on to follow through on commitments. A faithful person is someone who remains loyal and steadfast, even in the face of challenges. A consistent person is someone who maintains a steady course of action or behavior over time. These antonyms highlight the virtues of trust, loyalty, and reliability, which are essential for building strong relationships and communities.