protect against

have as one's sphere or territory v travel across or pass over v be responsible for reporting the details of, as in journalism v hold within range of an aimed firearm v to take an action to protect against future problems v hide from view or knowledge v protect or defend (a position in a game) v maintain a check on

protect against a challenge or attack v

act against an attack v protect against a challenge or attack v fight against or resist strongly v protect or fight for as a champion v be the defense counsel for someone in a trial v state or assert

the arrangement of defensive fortifications to protect against enemy fire

protect v protect against a challenge or attack v take precautions in order to avoid some unwanted consequence