Concerned
Part of speech: adjective
Definition: in a manner showing concern.
Part of speech: verb
Definition: To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.
Example sentence: Instead of being concerned that you have no office, be concerned to think how you may fit yourself for office. Instead of being concerned that you are not known, seek to be worthy of being known.
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: Happiness is not being pained in body or troubled in mind.