Henry Abinger is a fictional character from the play "The Last of Mrs. Cheyney," written by Fredric H. S. Lonsdale. He is portrayed as a charming and witty man, often engaging in conversations that reveal his cleverness and social insights. His interactions with other characters highlight the themes of class and social dynamics in early 20th-century society. In the play, Henry Abinger serves as a foil to other characters, showcasing the contrast between different social standings. His character adds depth to the narrative, illustrating the complexities of relationships and the impact of societal expectations on personal interactions.