The process in which one party perceives that its interests are being opposed or negatively affected by another party, when people disagree, is called:

It's called a conflict.
A conflict does not necessarily because of that one party do a wrongdoing toward another party.
But often time, when more than one parties are motivated to obtain something for the benefit of their own party, they often faced a conflict of interest from another party because they want the very same thing.

The adams apple, or laryngeal prominence. is a feature of the human neck, and is the lump or protrusion that is formed by the angle of the thyroid cartilage surrounding the larynx seen especially in males.