[2] On May 18, 1961,[2] during a meeting to establish the constitution for Swaziland, Nquku was banished for having an unapproved and detrimental party.
The following year, in February 1962, Nquku was deposed as party leader for allegedly corrupt and dictatorial practices.
Later that year, in August 1962, Nquku was suspended from the SPP due to allegations of fraud, and was replaced by K.Y.
[3] In 1963, Nquku regained his position as party leader of the SPP after being appointed by the secretary of the government.
[3] Outside of his political career, Nquku wrote multiple pamphlets which include a biography of the King of Swaziland Sobhuza II and a collection of folk tales in the Swazi language.