Loyalty is faithfulness or a devotion to a person or cause.
The concept of loyalty is an important part of ethics. Plato originally said that only a man who is just can be loyal, and that loyalty is a condition of genuine philosophy. The philosopher Josiah Royce said it was the supreme moral good, and that one's devotion to an object mattered more than the merits of the object itself.
Jesus said, “No one can serve two masters. Either he will hate the one and love the other, or he will be devoted to the one and despise the other.” (Matthew 6:24 NIV) Attempting to serve two masters leads to “double-mindedness” (James 4:8), undermining loyalty to a cause. . James 5:2