Rob と steal はどちらも「許可なく誰かから何かを奪う」という意味です。

Rob が注目する 場所または人 そこから物事が取られます：

The gang robbed three banks over a period of six months, but were finally caught.

Our local post office was robbed early on Tuesday morning.

A young woman was attacked and robbed as she walked home from work last night.

Steal は、奪われたものに焦点を当てています。

The thieves entered the museum through the roof and stole three paintings worth more than two million euros.

Our car was stolen from outside our house last week.