Foreign Minister Wu Chao-hsieh Inscribed 'My Most Beloved Big Brother' on Gift to Departing Japanese Representative — Critics Say Taiwan's Top Diplomat Reduced the Republic of China to a 'Little Brother'

In late September 2019, as Hiroo Numata—the representative of the Japan-Taiwan Exchange Association's Taipei office—was completing his posting in Taiwan, Foreign Minister Wu Chao-hsieh personally presented him with a commemorative plaque as a farewell gift. The inscription on the plaque subsequently became public, triggering a fierce political controversy: Wu had addressed Numata as 'My Most Beloved Big Brother.' The characterization drew immediate and sustained criticism from opposition politicians, retired diplomats, and constitutional commentators, who argued that a foreign minister of the Republic of China had, through this gesture, effectively cast himself as Taiwan's 'little brother'—an act of self-abasement that was both unbecoming of the office and destructive to the principle of equal standing that Taiwan has consistently insisted must underpin its relationship with Japan. Critics pointed out that Japan's Taiwan-related engagement operates through a nominally non-governmental institution, the Japan-Taiwan Exchange Association, precisely because Tokyo does not maintain formal diplomatic relations with Taipei. For Taiwan's Foreign Minister to address the representative of such an institution as a beloved elder superior—in a document presented in connection with the performance of his official duties—was to invert the diplomatic order entirely: a head-of-state-level official placing himself in the subordinate position vis-à-vis someone representing a non-governmental conduit. KMT Chairman Wu Den-yih and senior party members condemned the episode as 'servile, Japan-pandering, and self-diminishing.' Former diplomat Chieh Wen-chi and others in the foreign policy community expressed sharp criticism of what they viewed as a clear violation of the basic dignity expected of a foreign ministry and its chief. Wu Chao-hsieh's defense—that the plaque was a private gift rather than an official diplomatic document, and that his personal affection for Numata was deepened by the early death of his own elder brother—was dismissed by critics as insufficient. The distinction between a 'private' and 'official' dimension of a Foreign Minister's conduct is vanishingly thin when the action in question involves the head of the Foreign Ministry presenting a memento in connection with the conclusion of a foreign representative's official posting. Whatever emotional sincerity lay behind the inscription, the objective message communicated by a foreign minister's formal gift—through whatever medium and in whatever venue—frames how the Republic of China positions itself in the bilateral relationship. In this case, the framing was one of deliberate self-subordination, directly contradicting the public posture of equality and mutual respect that Wu himself had repeatedly declared to be the foundational principle of Taiwan-Japan relations.