1) Deliberate interference 2) Human behavior 3) Resistance 
Obstructionism is the practice of deliberately delaying or preventing a process or change, especially in politics. ==As workplace aggression== An obstructionist causes problems. Neuman and Baron (1998) identify obstructionism as one of the three dimensions that encompass the range of workplace aggression. In this context obstructionism is `behavi....
• (n.) The act or the policy of obstructing progress.
(from the article `Parnell, Charles Stewart`) ...its first president, thus becoming the centre of the great `new departure` national movement in which revolutionary devotion was combined with ...
Ob·struc'tion·ism noun The act or the policy of obstructing progress. Lond. Lit. World. 
[n] - deliberate interference
noun deliberate interference