Fore-wyrcan

According to the Old English Dictionary:

fore-wyrcan

p. -worhte; pp. -worht To work for, do anything for anyone; făcĕre alĭquid pro alĭquo :-- Se man ðane óðerne æt rihte gebrenge, oððe riht forewyrce let the man bring the other to justice, or do justice for him, L. H. E. 15; Th. i. 34, 2. fore-wyrcan