Walk stiffly, if you follow (5)
I believe the answer is:
stalk
This could be a double definition.
'walk stiffly' is the first definition.
(synonyms)
'you follow' is the second definition.
'stalk' can be an answer for 'follow' (stalk is a kind of follow). I'm not sure about the 'you' bit.
'if' is the link.
Can you help me to learn more?
(Other definitions for stalk that I've seen before include "Stem; follow" , "Follow sneakily" , "Stem of plant" , "Follow prey stealthily" , "Quietly pursue" .)