No. Harry, Ron and Hermione save Draco's life twice.
No, in fact Harry, Ron and Hermione save him - twice.
In Harry Potter and the Deathly Hallows, Bellatrix Lestrange tortures Hermione Granger at Malfoy Manor for information on Godric Gryffindor's sword.
None of the Malfoy's died in the book. Although Draco Malfoy was saved twice by Harry, Ron and Hermione.
Harry Potter himself is a round character. Other examples are Ron Weasley, Hermione Granger, Draco Malfoy, Severus Snape and Lord Voldemort.
No. Hermione Granger and Ron Weasley got married. Draco Malfoy and Hermione Granger have never had romantic feelings for one another.
In the 7th Harry Potter book at Draco Malfoy's house by Bellatrix Lestrange. She was tortured because Bellatrix suspects they went into her vault in Gringotts and stole the sword of Gryffindor.
Hermione Granger used Polyjuice Potion to become Bellatrix Lestrange so they could break into the Lestrange's vault where they believed a Horcrux was hidden. Hermione was also using Bellatrix's wand, which Harry had stolen at Malfoy Manor.
Yes, Draco Malfoy plays quite an important role in Harry Potter and the Deathly Hallows.
He doesn't.
No, the Malfoy family survived.
Draco Malfoy called Hermione Granger a Mudblood in 1992.
Dobby died when after he helped harry, ron, hermione, griphook, olivander, and luna escape from the malfoy manor.