Heater is Eleanor's "main guardian" and Karim's rival for her affection. He's extremely fat and ugly and though he's a road sweeper, he gets tickets to most of the London productions. Heater represents the hardworking proletariat to most of the higher-class individuals offering tickets. Because of this, Karim notes that it's important to pretend to appreciate Heater's opinion to avoid looking like an elitist.
Heater Character Timeline in The Buddha of Suburbia
The timeline below shows where the character Heater appears in The Buddha of Suburbia. The colored dots and icons indicate which themes are associated with that appearance.
Part 2, Chapter 11
Part 2, Chapter 12
Part 2, Chapter 15
...her, but she just compliments his performance. They walk together until she points out that Heater is also following Karim. When Heater threatens Karim, Karin rushes at him and head butts... (full context)