This is the 318th most frequent Italian word.
qualcuno
"Qualcuno" means "someone" or "somebody" in English.
Here, 'qualcuno' is used as an indefinite pronoun meaning 'someone', referring to an unknown person.
Qualcuno bussa alla porta.
Someone is knocking at the door.
Here, 'qualcuno' refers to a specific, yet unnamed, person that the speaker is aware of who might find the project intriguing.
Conosco qualcuno che potrebbe essere interessato al progetto.
I know someone who might be interested in the project.
In this context, 'qualcuno' is used as a generic pronoun indicating an unspecified person who could offer assistance.