Discrimination between individuals of the same class in the dues or rates charged for any contract issued by any such corporation, or in the benefits payable thereon, or in any of the terms or conditions of such contract, or in any other manner whatsoever is prohibited. This action shall not prohibit different rates, different benefits, or different underwriting procedures for individuals contracted with under different plans; provided, rates charged, benefits payable, or underwriting procedures used do not discriminate between such different plans. No such corporation, and no director, trustee, officer, agent, employee, solicitor, or other representative thereof shall pay, allow or give, or offer to pay, allow or give, directly or indirectly, as an inducement of membership, rebate of dues, payable on the contract, or any special favor or advantage in the dividends or other benefits to accrue thereon or any paid employment contract for services of any kind or any valuable consideration or inducement whatever; nor give, sell or purchase, or offer to give, sell or purchase, as an inducement of membership or in connection therewith, any stock, dividends or other securities of any other corporation, association, or partnership, or any dividends or profits to accrue thereon or anything of value whatever.