Difference between Robber and Thief 

The thief is watching you! :)

Robber or Thief (n.)= the person

• The robbers ran away from the police.
• The thief took my laptop and cell phone.
• “Give me all your money!” the robber said.
• The thieves were tall, white men who looked about 22 years old. One had brown hair and the other was blonde.

Robbery (n.) = the event

• Police are investigating the robbery of the Main Street Bank.
• The robbery occurred at 4:30 PM.
• Three employees were injured during the armed robbery.
  (an “armed robbery” means there were weapons – guns or knives)

Theft (n.) = the event or the crime (in the justice system)

• He was sentenced to eight years in prison for the theft of a motorcycle.
• We immediately reported the theft to the police.
• Ken was accused of identity theft.

Rob (v.) = the action

Often used in the past as robbed:

• Donald robbed a total of five supermarkets before being caught by the police.
• My favorite pizza shop was robbed last month. Luckily, no one was hurt.
• I was robbed at gunpoint while walking home from work.

Steal / Stolen (v.) = the action of taking something specific

Steal is always used together with an object – the object that was taken.

• The thief stole a gold necklace from the woman’s bedroom.
• Wendy’s wallet was stolen on the subway.
• Jim was caught stealing money from his own company.
• Rachel tried to steal Carla’s boyfriend.