Man rises on the first hour, born to see Christ (3,4)

'christ' is the definition.
(thesaurus)

'man rises on the first hour born' is the wordplay.
'man' becomes 'male' ().
'rises' says the letters should be written backwards.
'on' is an insertion indicator.
'the' becomes 't' (the is pronounced as a 't' sound in some dialects).
'first' says to take the initial letters.
The first letters of 'hour born' is 'hb'.
'male' back-to-front is 'elam'.
't'+'hb'='thb'
'elam' placed into 'thb' is 'THE LAMB'.

'to see' acts as a link.