Yes, I am able and willing to help out with these pesky achievements. If you require assistance in this regard then you are welcome to send me a friend request.


Logistics:
I am in the GMT+2 time zone and online most evenings.
The boost session generally don't last longer than 5 minutes if done in the specified way.
Choose Multiplayer > Online > Versus > Ranked match in the game.
Choose a castle which has infantry and/or cavalry.
Send your troops and bash down my castle's door. Grab the flag and return. Profit. (All 3 achievements will unlock at the same time)

Some general notes:
I tend to check profiles for the game before I accept friend requests. If your profile is set to private and is on Steam level 0 I may be inclined to ignore the friend request.
Feel free to message me whenever you see me in a game or just online if you are available for the boosting session. The exception is when I'm playing Titanfall 2, since I play that online.
I am aware that everyone has schedules and real life commitments, so if you are not available immediately to complete the achievements after the friendship connection has been established it is fine with me. However, making me wait months to help you with something that takes no more than 5 minutes to complete is deemed to be a bit unreasonable and for that reason I may decide to withdraw my offer of assistance after 1 month if nothing has happened by then.