Archaic term which has fallen into linguistic disuse over time. But previously meant (still does) "bully". Bullard is an old english term (a more proper english term) which equates to being bullied or someone displaying 'bullish' behaviour; it's a connotation of aggressive confrontation, display to incite force in a grande display-rather melodramatic hostility.
Jayden Bullard is a guy who will tell you he loves you then cheats on you. Then, when you call his ass out he will tell you to kill yourself! In other words Jayden Bullard is a dick sucking fat ass nigga- kk love you the most