Ariana Dumbledore.
She was Albus Dumbledore's aunt.
The cloak belonged to James Potter, Harry's father. Albus Dumbledore borrowed it from James shortly before his death. Dumbledore then returned it to Harry during his first Christmas at Hogwarts.
Harry received the cloak in Harry Potter and the Philosopher's Stone, not the Chamber of Secrets.It was given to him by Albus Dumbledore who had borrowed it from James Potter. The cloak was in Dumbledore's possession at the time of the Potter's death and so he returned it to Harry.
Albus Dumbledore says "of course it is happening inside your head" in Harry Potter and the Deathly Hallows.
Albus Dumbledore did.
No.
Ariana Dumbledore.
Albus Dumbledore is male.
Yes, Albus Dumbledore was a mentor to Harry and could be considered as something of a grandfather figure.
Dumbledore
Albus Dumbledore
Albus Dumbledore.
Ariana.
Professor Albus Dumbledore.
She was Albus Dumbledore's aunt.
Albus Dumbledore. Also, his brother, Aberforth Dumbledore, as well as some other family members.