Complex sentence: In these conditions Muslim fanatics organized the killing the Sulejman Zalla, who was the teacher of the school, and who was declared by them as a heretic, however the local population of Ishëm took under the teacher under their protection.
Split into simpler sentences: In these conditions Muslim fanatics organized the killing of Sulejman Zalla, who was the teacher of the school, and who was declared by them as a heretic. This intention was countered by the local population of Ishëm, who took the teacher under their protection.