A. 5:1 Whosoever believeth that Jesus is the Christ is born of God:
B. and every one that loveth him that begat
C. loveth him also that is begotten of him.
C’. 2 By this we know that we love the children of God,
B’. when we love God, and keep his commandments. 3 For this is the love of God, that we keep his commandments: and his commandments are not grievous.
A’.
a. 4 For whatsoever is born of God
b. overcometh the world:
c’. and this is the victory that overcometh the world, even our faith.
b’. 5 Who is he that overcometh the world,
a’. but he that believeth that Jesus is the Son of God?
https://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0259-94222013000100116
A whoever believes that Jesus is the Christ (5:1a)
B is born of God (5:1b)
C loves the child born of Him (5:1c-2a)
D love and obey (5:2b-3a)
C’ loving the child is not burdensome (5:3b)
B’ whatever is born of God overcomes the world (5:4)
A’ he who believes that Jesus is the Son of God (5:5)