In 1852 a major conflict took place: a group of about 30 men and women marched to the centre of Guovdageaidnu to seek revenge for previous harassment.
A rescue party eventually arrived and a fierce fight followed, during which the Læstadian community was overpowered and two of the sect members died.
[2][3][4] While imprisoned at the Akershus Prison, Hætta started translating the Bible into the Northern Sami language, in cooperation with professor Jens Andreas Friis.
[1] After his release from prison in 1867, he joined Friis and Ludvig Kristensen Daa on a scientific excursion, married in 1868, settled in Guovdageaidnu, and continued his translation work.
Hætta also contributed to the dictionary Ordbog for det lappiske Sprog, and translated other books into Sami language.