Ready for use, at hand
Available
Hazard
Risk, peril
To satisfy the needs of, try to make things easy and pleasant
Cater
Epidemic
Plague
It did not take the jury members too long to find the drifter guilty of firebrand / homicide
Homicide
To apply oil or grease, to make smooth, slippery, or easier to use
Lubricate
Transparent
Allowing light to pass through
To delay, to stop or prevent from happening
Hinder
Manslaughter
Homicide
Oxygen is a gas that is indispensable / indignant to life processes on this planet.
Indispensable
Shared, felt, or shown equally by two or more
Mutual
Dissuade
To persuade not to do something
A government in power
Regime
Danger
Hazard
The children resisted the urge to plague / pelt the cars with snowballs.
Pelt
A person who starts up and takes on the risk of a business
Entrepreneur
Indifference
A lack of interest or concern
Usual, expected, routine
Customary
Collected, self-confident, ready
Poised
The captain and other members of the crew were customary / poised for takeoff.
Poised
Filled with resentment or anger over something unjust, unworthy, or mean
Indignant
Unscathed
Wholly unharmed, not injured
A piece of burning wood, a troublemaker
Firebrand
Rule
Regime
The outcome of the rugby match between the two teams is a matter of complete indignant / indifference to me.
Indifference