On their web page PRET say:
PRET SA, is a socio-economic movement, which currently represents about 3.4 million of the poor unemployment and downtrodden youth of this country. The President of PRET SA Themba Somashi Sgudla further makes a declaration that radical economic transformation will remain a non-negotiable founding principle of the organisation, without which our country will never see any economic emancipation.
SOURCE: https://www.pret.org.za