Osun house sets task force monitor herdsmen

I think there may be a small mistake in your sentence. It seems like you meant to say "Oyo State sets task force to monitor herdsmen" rather than "osun house sets task force monitor herdsmen".

Here's a rewritten version of your sentence:

Oyo State has set up a task force to monitor herdsmen in the state, with the aim of ensuring that they do not engage in activities that disrupt the peace and security of the community.

Please let me know if this is accurate or if you meant to say something else!