Complex sentence: In 1935 he moved to Palestine and upon his arrival there he was offered many high rabbinical posts, But as in previous times during his life due to his extreme humility he declined, He was however one of the leaders of the Edah HaChareidis.
Split into simpler sentences: In 1935 he moved to Palestine and upon his arrival was offered a number of high rabbinical posts. As in previous times during his life, due to his great humility he declined sch positions, but was, however, one of the leaders of the Edah HaChareidis.