By Steven Grattan LAS DELICIAS, Colombia (AP) — Adriana Pazu wiped away tears as she remembered a colleague who was shot dead earlier this year by an armed dissident group for defending their land. Pazu, an Indigenous authority from the Nasa territory of San Francisco, Toribío, was attending an Indigenous youth assembly this week in Las Delicias, Cauca, a region long affected by conflict. Despite years of threats and an official security detail, Pazu’s colleague Edgar Tumiña was killed — months after one of his bodyguards was killed in an earlier attack. “He gave everything to protect this land and our youth,” Pazu said, her voice breaking. “Now, there are only a few of us left, holding onto this responsibility.” She said she’s prepared to carry on, even at great…