Together with Reverend Creux of Valdezia mission station, he codified the language of the Tsonga people, which they called 'Thonga', but later renamed Xitsonga.

[1][2] He came from a family of clergy and missionaries and in 1885 received holy orders as a Protestant minister in the Independent Church of Neuchâtel.

Junod sailed for Mozambique in 1889 and was stationed at Rikatla Mission, some 30 km north of Lourenço Marques.

During his term at Shiluvane he escaped from the Lowveld heat and fevers by living in a hut on a nearby mountain called Mamotseeri or Mamotsuiri.

Junod was an exceptional scholar, a member of many societies and with wide interests in the world of natural history, amassing extensive collections of beetles and butterflies.