Hailbringer,
No, you were given incorrect information and your sensei has behaved irresponsibly.
Look up the law yourself, don't take advice on the law from amateurs.
RCW 9.41.050
Carrying firearms.
(1)(a) Except in the person's place of abode or fixed place of business, a person shall not carry a pistol concealed on his or her person without a license to carry a concealed pistol.
(b) Every licensee shall have his or her concealed pistol license in his or her immediate possession at all times that he or she is required by this section to have a concealed pistol license and shall display the same upon demand to any police officer or to any other person when and if required by law to do so. Any violation of this subsection (1)(b) shall be a class 1 civil infraction under chapter 7.80 RCW and shall be punished accordingly pursuant to chapter 7.80 RCW and the infraction rules for courts of limited jurisdiction.
(2)(a) A person shall not carry or place a loaded pistol in any vehicle unless the person has a license to carry a concealed pistol and: (i) The pistol is on the licensee's person, (ii) the licensee is within the vehicle at all times that the pistol is there, or (iii) the licensee is away from the vehicle and the pistol is locked within the vehicle and concealed from view from outside the vehicle.
(b) A violation of this subsection is a misdemeanor.
(3)(a) A person at least eighteen years of age who is in possession of an unloaded pistol shall not leave the unloaded pistol in a vehicle unless the unloaded pistol is locked within the vehicle and concealed from view from outside the vehicle.
(b) A violation of this subsection is a misdemeanor.
(4) Nothing in this section permits the possession of firearms illegal to possess under state or federal law.
*******
RCW 9.41.270
Weapons apparently capable of producing bodily harm — Unlawful carrying or handling — Penalty — Exceptions.
(1) It shall be unlawful for any person to carry, exhibit, display, or draw any firearm, dagger, sword, knife or other cutting or stabbing instrument, club, or any other weapon apparently capable of producing bodily harm, in a manner, under circumstances, and at a time and place that either manifests an intent to intimidate another or that warrants alarm for the safety of other persons.
(2) Any person violating the provisions of subsection (1) above shall be guilty of a gross misdemeanor. If any person is convicted of a violation of subsection (1) of this section, the person shall lose his or her concealed pistol license, if any. The court shall send notice of the revocation to the department of licensing, and the city, town, or county which issued the license.
(3) Subsection (1) of this section shall not apply to or affect the following:
(a) Any act committed by a person while in his or her place of abode or fixed place of business;
(b) Any person who by virtue of his or her office or public employment is vested by law with a duty to preserve public safety, maintain public order, or to make arrests for offenses, while in the performance of such duty;
(c) Any person acting for the purpose of protecting himself or herself against the use of presently threatened unlawful force by another, or for the purpose of protecting another against the use of such unlawful force by a third person;
