find the Wardens gold teeth in the safari zone and bring them to him
4
You can get the HM Strength at Nimbasa City. One of the buildings behind the Poke Center will have a man with blue hair and will talk to you about the HM Strength and will give you it.
HM STRENGTH HM STRENGTH
HM 4
You can get the Strength HM from a blue-haired character in Nimbasa City in the building directly to the North of the Battle Institute.
Get HM Strength from Riley (blue guy) standing outside Iron Island. (Take the boat from Canalave City)
you can get it in pokemon platinum!
HM 4 Strength can be obtained from one of the houses in Nimbasa.
you get hm strength and hm defog after defeating two gym leader.Fantina(defog) Byron(strength).
Go to Nimbasa City (Raimon City), then in one of the houses on the left, talk to a blue head boy in there and he gives you hm 04 strength hope this helped!
Strenght is an HM move, teach it to one of your'e pokemon. to use it just select your'e pokemon and select strenght.
HM 06 strength