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to carry on one's back
to be burdened with; to take responsibility for
to have (something) in the background; to be in front (of something)
to be conceited; to think highly of oneself
リュックサックを背負ってハイキングに出かけた。
I went hiking carrying a backpack on my back.
責任を背負うことの重さを実感している状況だ。
I'm realizing the weight of bearing responsibility.
登山者は大きなリュックを背負って山頂を目指した。
The climber carried a large backpack and headed for the summit.