Disaffected
Part of speech: verb
Definition: To cause a loss of affection, sympathy or loyalty in; to alienate or estrange.
Part of speech: adjective
Definition: alienated or estranged rebellious or resentful; without regard for authority
Discontent
Part of speech: noun
Definition: Dissatisfaction.A longing for better times or circumstances.A discontented person. (see also malcontent).
Example sentence: Persuade thyself that imperfection and inconvenience are the natural lot of mortals, and there will be no room for discontent, neither for despair.