Respondent is charged with engaging in a practice harmful or detrimental to the public, being unworthy to act as a real estate broker in such manner as to safeguard the interests of the public, and/or failing to provide brokerage services to all parties honestly and in good faith in violation of Iowa Code sections 543B.29(1)(d), 543B.34(1)(h), 543B.56(1)(a), 543B.56(1)(c) (2016) by failing to disclose all material adverse facts known to a party to a real estate transaction. See 193E Iowa Administrative Code sections 12.3(2), 14.1, 14.1(5), 18.2(1), 18.14(5)(s).