out on limb

helpless unarmed unprotected

caught endangered exposed hands tied in line of fire indefensible like a clay pigeon like a sitting duck naked on the line on-the-spot open pigeon poor unguarded up the creek weak wide open

powerful strong

adventurous audacious bold daring imprudent irresponsible reckless

adventuresome breakneck daredevil devil-may-care harebrained headstrong incautious madcap off deep end precipitate temerarious venturesome venturous wide open

afraid careful cautious cowardly fearful meek prudent responsible shy timid unadventurous

discreet thoughtful