"A Boorish Man" is a mission in Sequence 5
Limit Health loss to 50%
Head on forward and climb on up the cliff. Head on over to the right. Be careful as you need to dodge a Cougar. Slip on through the rest of the frontier You have a long way to run but you can take your time as well. There are horses in the area which can speed up your travel some. It is better to keep up high and along the cliffs to get get to the entrance to the Davenport Homestead. When you close on the entrance then you will a chase in progress. After that things pick up a bit. Inside the Homestead get over to the next marker for the mission to start properly at the house. After that start follow through the objectives.