Since you have been influenced by the view which argues against "outsiders coming in."

from Martin Luther King, Jr – Letter From Birmingham Jail on Rap Genius

Meaning

Because the Southern Christian Leadership Conference was a national organization that worked to support local, grassroots campaigns for civil rights, they wee often accused of being outside agitators. When King worked with local groups such as the ACHMR, he often became the focus of media attention, resulting in local segregationists viewing him and SCLC as outsiders who were disrupting their community.

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