Verb (5-dan, う, transitive)
1. to carry on one's back
背負った時の感覚で大体の重さはわかる。You can roughly tell the weight by the sensation when carrying it on your back.
2. to be burdened with; to take responsibility for
これは私が背負うべき罪です。This is a sin that I must bear.
3. to have (something) in the background; to be in front (of something)
山を背負った小さな村で育った。I grew up in a small village with mountains behind it.
Verb (5-dan, う, intransitive)
4. to be conceited; to think highly of oneself
in the form しょってる
when read as "しょう"