He travelled as a missionary of the Herrnhuter Brüdergemeine, the Moravian Church, to Greenland and to Native Americans.

There, he was a co-founder of the Herrnhuter Brüdergemeine,[1] working closely with of Nikolaus Ludwig Graf von Zinzendorf.

[2] David went as a missionary of the Herrnhuter Brüdergemeine to Greenland and to Native Americans, among other places.

[4][5] David wrote a hymn "Seyd gegrüßt, zu tausendmahl" (Be welcome, a thousand times), published in 1728.

[6] Two centuries later, Otto Riethmüller chose two of its stanzas for the hymn "Sonne der Gerechtigkeit", published first in 1932 in a song book for young people, Ein neues Lied (A new song), and later in many hymnals.