"Beared the burden" is a common phrase used to describe someone who has taken on a heavy responsibility or hardship. However, there are many other ways to express this concept using different words and phrases. Some possible synonyms for "beared the burden" include "carried the weight," "shouldered the load," "borne the brunt," "taken the heat," "assumed the task," "undertaken the challenge," "accepted the challenge," and "taken on the responsibility." All of these phrases suggest that someone has taken on a difficult task or challenge that others may not have been willing or able to handle.