Troubled
Part of speech: adjective
Definition: anxious, worried, careworn
Part of speech: verb
Definition: To disturb, stir up, agitate (a medium, especially water).
Example sentence: Who knows who will be on board? A couple of spies, for sure. At least one grand duke; a few beautiful woman, no doubt very rich and very troubled. Anything can happen and usually does on the Orient Express.
Disruptive
Part of speech: adjective
Definition: Causing disrupt or unrest.
Example sentence: While cyber espionage is having a tremendous negative affect on the global economy from the theft-caused drain of intellectual property and the resulting adverse incentives for continued investments in innovative growth, the threat from destructive and disruptive attacks is amplifying the risks even further.