Meaning of MANTLE in English
(RESPONSIBILITY) [noun] [U] [formal] - the responsibilities of an important position or job, esp. as given from the person who had the job to the person who replaces themShe unsuccessfully attempted to assume the mantle of presidency.It is widely believed that he will inherit his father's political mantle.She has been asked to take on the mantle of managing director in the New York office.
Cambridge English vocab. Кембриджский английский словарь. 2012