Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @GambieRanger @David__Osland which is why a leader who is encouraging his supporters to deselect is such a concern for many of us.
This tweet contains emotions: 
disgust