This is the 2066th most frequent Swedish word.
antónio
The word "antónio" is not Swedish; it appears to be a Portuguese male name.
Here, 'António' is used as a proper noun, referring to a person's name.
António är en vän till oss.
António is a friend of ours.
In this sentence, 'António' is used as the direct object, referring again to the same person's name.
Vi träffade António på festen igår.
We met António at the party yesterday.
Here, 'António' is used as the subject of the reported speech, indicating who is involved in the action.