Hausvater is German for housefather and Spiritually responsible head of household, including the housefather as assisted by the housemother. For example: "As the Hausvater should teach it [Christian doctrine] to the entire family ..." (Martin Luther, Small Catechism, 1529)
This is their Mission Statement: The Hausvater Project seeks to equip Christian men and women for distinctive and complementary vocations in family, church, and society, by fostering research and education in light of Holy Scripture as proclaimed by the Lutheran Confessions.
To give you an idea about how beneficial this site is, please check out these two new articles:
Parenting: Putting the Brakes on Fighting a review by Jonathan Conner
A Soft Answer Breaks the Crazy Cycle by Dr. Ryan MacPherson
There is a lot on that site that will be a great blessing to you and your family. Enjoy!