Idiom: a (lone) voice (crying) in the wilderness
— At the management meeting, my suggestion to give everyone a small bonus was a lone voice in the wilderness.
— In class, I always feel like a lone voice in the wilderness because of my liberal opinions.
— Until my coworker arrived, I was a voice crying in the wilderness to reduce our office's wasteful paper and toner usage.
— I admire you for persevering as a lone voice crying in the wilderness about voter registration rights.
— Sometimes I feel like a lone voice crying in the wilderness about getting better working conditions.
— It takes bravery to be a voice in the wilderness.
— Before the recent "Me too" movement, I was a lone voice crying in the wilderness about sexual harassment in the workplace.
— I got tired of being a lone voice in the wilderness and finally accepted I would have to get another job because no one was going to listen to me.
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