Livingstone was obliged to leave his first mission at Mabotsa in Botswana in 1845 after irreconcilable differences emerged between him and his fellow missionary, Rogers Edwards, and because the Bakgatla were proving indifferent to the Gospel. He abandoned Chonuane, his next mission, in 1847 because of drought and the proximity of the Boers and his desire "to move on to the regions beyond". At Kolobeng Mission Livingstone converted Chief Sechele in 1849 after two years of patient persuasion, but only a few months later Sechele lapsed.