را

particle

1. Used to mark certain noun phrases as the direct object. Since it is obligatory for all definite direct objects, it is often called the “definite object marker”, although it can be used for certain indefinite objects as well. See Usage notes.

   “دیروز او را دیدم.”

2. to; indicates that the preceding noun phrase is an indirect object.

   “خدا را شکر.”

3. Follows certain nouns being used adverbially, or as an exclamation.

   “خدارا!”

4. Used as a genitive particle to mark the possessor; in particular, used with the verb بودن (budan, “to be”).

   “ما را این نیست.”