Alester Rosier is a Death Eater and an ardent supporter of Voldemort's movement. Alester is a very charismatic man. He is gallant, elegant, aristocratic, a true gentleman. 
He has an adult son, his name is Evan Rosier. Once Alester had a wife, but she died under unclear circumstances. Alester is very fond of female attention, he is seductive and knows how to dispose women to himself.
Hobbies: he likes to collect ordinary and magical plants. His whole house is decorated with different plants. 