WordNet sense 1 (a secret scheme to do something (especially something underhand or illegal)):

plot, secret plan

WordNet sense 2 (place a bet on):

back, gage, punt, stake, bet on

WordNet sense 3 (disabled in the feet or legs):

crippled, gimpy, halt, halting, lame, lame

WordNet sense 4 (not in good physical or mental condition; out of condition):

unfit

WordNet sense 5 (your occupation or line of work):

biz

WordNet sense 6 (willing to face danger):

gamey, gamy, gritty, mettlesome, spirited, spunky

WordNet sense 7 (possessing or displaying courage; able to face and deal with danger or fear without flinching):

brave, courageous