en_tn_condensed/rev/14/13.md

who die in the Lord

"who die because they are united to the Lord"

labors

difficulties and sufferings

their deeds will follow them

These deeds are spoken of as if they were alive and able to follow those who did them. Possible meanings are 1) "others will know the good deeds these people have done" or 2) "God will reward them for their deeds"