He went into exile with the African National Congress (ANC) after the party was banned in 1960 and served as political commissar of Umkhonto we Sizwe (MK) from 1969 until his disappearance in 1970.
[2][1] He became active in the trade union movement and joined the Communist Party of South Africa (CPSA) and African National Congress (ANC).
[4] He was also a founding member of Sebatakgomo, a resistance movement formed by Sekhukhune migrant workers in Johannesburg that went on to play a central role in the 1958 Sekhukhuneland revolt.
[1][2] Speaking at the University of Lagos in 1971, ANC president Oliver Tambo, calling for a pan-African campaign to find and rescue Boshielo, said that he was presumed wounded and captured.
[1] In April 2005, post-apartheid president Thabo Mbeki awarded him the Order of Luthuli in Gold "for his exceptional contribution to the struggle for liberation and workers' rights".